Sentences with phrase «indoor air concentrations»

Some paint - related activities can dramatically increase indoor air concentrations of VOCs.

A Japanese study estimated DBP exposure to by 20 % -30 % of the dietary intake, with maximum daily exposure from indoor air concentrations to be about 136 kg / day.

Not exact matches

Chemist and indoor air quality expert Charles J. Weschler, adjunct professor in environmental and occupational medicine at Rutgers University, said he does not think the levels of chemical concentration found in the mattresses are alarming, but he considers the research valuable.

Chemist and indoor air quality expert Charles J. Weschler, adjunct professor in environmental and occupational medicine at Rutgers University, said he does not think the levels of chemical concentration found in the mattresses are alarming, but he considers the research valuable.

By adjusting elements of the test, such as the air exchange rate, which is the number of times per hour indoor air is replaced by outdoor air, as well as the concentrations of terpene and ozone in the chamber, the group was able to ascertain how those variables each affected the formation of secondary organic aerosols.

The effects of increased temperatures and atmospheric CO2 concentration have been documented concerning shifts in flowering time and pollen initiation from allergenic plants, elevated production of plant - based allergens, and health effects of increased pollen concentrations and longer pollen seasons.15, 16,17,18,19,20,21,22,23,24,25,26 Additional studies have shown extreme rainfall and higher temperatures can lead to increased indoor air quality issues such as fungi and mold health concerns.27, 28,29,30

The Environmental Protection Agency has found indoor air can be filled with more pollutants than outdoor air, which can ultimately lead to symptoms of «sick building syndrome»: tiredness, fogginess, and lack of concentration.

The EPA has stated that indoor air quality is 3 times more polluted than outdoor air quality and a 2000 study found that there is an increase in lead concentrations in our indoor air (Sobel et al., 2000b).

Indoor air quality is defined by the concentrations of various pollutants, including carbon dioxide (CO2), volatile organic compounds (VOCs), moulds, dusts and airborne fungi.

Fresh, clean air helps us stay healthy and maintain good levels of concentration, and indoor plants are very effective at removing toxins from the atmosphere while at the same time turning CO2 into revitalizing oxygen.

While global concentrations are far below that, in local areas of high carbon pollution or poor air circulation (e.g. indoors, or on a highway), it's not hard to reach already.

Night vision which use a special type glass which transparent to longwave IR can «see» thermal heat and the CO2 in atmosphere is mostly transparent [high level of CO2 from a fire doesn't significantly block the signal - nor higher concentration of CO2 in urban areas or +1000 ppm CO2 of normal indoor air.]

The researchers examined indoor air pollution concentrations and fuel use in 187 households in a village in Karnataka, India.

By making buildings more airtight, building owners could increase «indoor - air contaminant concentrations and indoor - air humidity,» the report said.

Your risk depends on the concentration of VOCs you're breathing in, but the level of VOCs indoors can be up to five times higher than those outdoors, and with the number of products and materials that produce VOCs — paint, caulk, varnish, air fresheners, cosmetics, cleaning supplies, and more — whatever you can do to lower your chance at inhalation helps.

CO2 is a familiar culprit of indoor air quality issues, causing increased headaches, tiredness, and loss of concentration.